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US 10,508,687 B2Granted
Pivot assembly bearing device
AssigneeMINEBEA MITSUMI Inc.
InventorsAtsushi Kaneko, Shinya Ohnuma, Kunihiro Tsuchiya
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Abstract
A pivot assembly bearing device includes a shaft having an outer peripheral surface and a rolling bearing fixed to the shaft. An annular sealing surface axially overlapping with at least a part of an end surface of the rolling bearing is provided on an axially outer side of the rolling bearing. An oil-repellent film is annularly formed on at least one of the sealing surface and a part of the outer peripheral surface of the shaft located axially outward from the rolling bearing.
Claims9
A pivot assembly bearing device comprising:
- a shaft having an outer peripheral surface;
- and
- a rolling bearing fixed to the shaft,
- wherein an annular sealing surface axially overlapping with at least a part of an end surface of the rolling bearing is provided on an axially outer side of the rolling bearing, and
- wherein an oil-repellent film is annularly formed on at least one of the sealing surface and a part of the outer peripheral surface of the shaft located axially outward from the rolling bearing.
2 more elements
Dependencies are inferred from the claim text.